Watts 0386421 Regulator Valve Els PW 17895 Featuring a distinct red housing

Featuring a distinct red housing for quick field identification

Why is this item non-returnable

or carbon buildup in the heat exchanger causing pressure fluctuations

This listing is for the replacement auger wire only

Watts 0386421 Regulator Valve Els PW 17895 Featuring a distinct red housingProfessionals in the field recognize the Watts 0386421 (Model TB1156F) as a high capacity industry standard for hydronic heating systems. This 1 2 inch feed water pressure regulator is engineered to maintain consistent system pressure by automatically filling the boiler and piping. It serves as a drop in 0386500 replacement and is the direct successor to the legacy T1156F valve. Designed for rugged commercial and residential use, the Watts 0386421